Orgrip, Titan Frog

{1}{b/g}{g/u}{u/b}: Orgrip, Giant Frog gains flying, trample, and +1+1 until end of turn.
Whenever Orgrip, Giant Frog deals combat
damage to a player, destroy target creature
with a fly counter on it, and put +1+1 counters on him equal to that creature's toughness. then, put a fly counter on target creature an opponent controls.